It's a completely client-side solution. It will be easily broken. Even it it weren't, and shapes were generated and verified on the server side, computers are

It's a completely client-side solution. It will be easily broken. Even it it weren't, and shapes were generated and verified on the server side, computers are extremely good at recognizing simple shapes. EDIT: Here, to break it on this page http://www.josscrowcroft.com/demos/motioncaptcha http://www.josscrowcroft.com/demos/motioncaptcha simply enter this into the URL box: javascript:$('input').attr({'disabled':false});